Mammut Lucido TX1 Belt
Here's what other sites are saying:
Utilizing an external battery-case for three C-cell batteries the Mammut Lucido TX1 belt offers high lighting output with an extremely long battery life span.
The path finding functions of the TX1 with almost three times the operation time from the power of three C-cell batteries in the external battery case. For permanent light on expeditions, night-time searches and in caves.
With a burn time of up to 450 hours on high power, the Mammut TX1 Headlamp is ideal for extended expeditions and big-mountain treks where thereAs no room for extra batteries. The TX1As three LED bulbs and variable brightness settings make it great for rescue or work situations, and the external battery pack cuts the weight on your head. Mammut also gave it an adjustable elastic strap and a tiltable housing to help you tweak your fit.